Replacement for conventional T5 fluorescent tubes with G5 base. 24V DC Constant Voltage LED driver required. Must not be used with high frequency T5 fluorescent ballasts. Aluminium back for heatsinking of LEDs. Unbreakable clear polycarbonate diffuser . Suitable for use in retail, gaming machine, display and general backlighting. Instant start without flickering. Not polarity sensitive. Suitable for use at -20 to +40°C. Non-dimmable. Life to 70% lumen maintenance - 40,000 hours. 5 Year guarantee.